Qt Reference Documentation

torrentserver.cpp Example File

network/torrent/torrentserver.cpp
 /****************************************************************************
 **
 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation ([email protected])
 **
 ** This file is part of the examples of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:BSD$
 ** You may use this file under the terms of the BSD license as follows:
 **
 ** "Redistribution and use in source and binary forms, with or without
 ** modification, are permitted provided that the following conditions are
 ** met:
 **   * Redistributions of source code must retain the above copyright
 **     notice, this list of conditions and the following disclaimer.
 **   * Redistributions in binary form must reproduce the above copyright
 **     notice, this list of conditions and the following disclaimer in
 **     the documentation and/or other materials provided with the
 **     distribution.
 **   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
 **     the names of its contributors may be used to endorse or promote
 **     products derived from this software without specific prior written
 **     permission.
 **
 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 #include "connectionmanager.h"
 #include "peerwireclient.h"
 #include "ratecontroller.h"
 #include "torrentclient.h"
 #include "torrentserver.h"

 Q_GLOBAL_STATIC(TorrentServer, torrentServer)

 TorrentServer *TorrentServer::instance()
 {
     return torrentServer();
 }

 void TorrentServer::addClient(TorrentClient *client)
 {
     clients << client;
 }

 void TorrentServer::removeClient(TorrentClient *client)
 {
     clients.removeAll(client);
 }

 void TorrentServer::incomingConnection(int socketDescriptor)
 {
     PeerWireClient *client =
         new PeerWireClient(ConnectionManager::instance()->clientId(), this);

     if (client->setSocketDescriptor(socketDescriptor)) {
         if (ConnectionManager::instance()->canAddConnection() && !clients.isEmpty()) {
             connect(client, SIGNAL(infoHashReceived(QByteArray)),
                     this, SLOT(processInfoHash(QByteArray)));
             connect(client, SIGNAL(error(QAbstractSocket::SocketError)),
                     this, SLOT(removeClient()));
             RateController::instance()->addSocket(client);
             ConnectionManager::instance()->addConnection(client);
             return;
         }
     }
     client->abort();
     delete client;
 }

 void TorrentServer::removeClient()
 {
     PeerWireClient *peer = qobject_cast<PeerWireClient *>(sender());
     RateController::instance()->removeSocket(peer);
     ConnectionManager::instance()->removeConnection(peer);
     peer->deleteLater();
 }

 void TorrentServer::processInfoHash(const QByteArray &infoHash)
 {
     PeerWireClient *peer = qobject_cast<PeerWireClient *>(sender());
     foreach (TorrentClient *client, clients) {
         if (client->state() >= TorrentClient::Searching && client->infoHash() == infoHash) {
             peer->disconnect(peer, 0, this, 0);
             client->setupIncomingConnection(peer);
             return;
         }
     }
     removeClient();
 }
X

Thank you for giving your feedback.

Make sure it is related to this specific page. For more general bugs and requests, please use the Qt Bug Tracker.